Java报错:严重 [RMI TCP Connection(2)-127.0.0.1]

本文指出在Mapper.xml文件中常见的配置错误,即错误地使用了'jdbcType'属性,而应当使用'javaType'属性来指定Java对象类型。这是一个容易避免的低级错误。

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错误地方****Mapper.xml

  <collection property="food" jdbcType="group.menu.domain.Food">

 

应该改为:

<collection property="food" javaType="group.menu.domain.Food">        

这是一个低级错误,确实不该犯

21-Mar-2025 14:28:33.975 ��Ϣ [RMI TCP Connection(2)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 2025-03-21 14:28:34 -0 [RMI TCP Connection(2)-127.0.0.1] INFO - Root WebApplicationContext: initialization started 2025-03-21 14:28:34 -100 [RMI TCP Connection(2)-127.0.0.1] INFO - Refreshing Root WebApplicationContext: startup date [Fri Mar 21 14:28:34 CST 2025]; root of context hierarchy 2025-03-21 14:28:34 -169 [RMI TCP Connection(2)-127.0.0.1] INFO - Loading XML bean definitions from class path resource [spring/spring.xml] 2025-03-21 14:28:34 -545 [RMI TCP Connection(2)-127.0.0.1] INFO - Loading XML bean definitions from class path resource [spring/spring-mybatis.xml] 2025-03-21 14:28:35 -1324 [RMI TCP Connection(2)-127.0.0.1] ERROR - maxIdle is deprecated 2025-03-21 14:28:35 -1404 [RMI TCP Connection(2)-127.0.0.1] INFO - {dataSource-1} inited 2025-03-21 14:28:38 -3963 [RMI TCP Connection(2)-127.0.0.1] INFO - Root WebApplicationContext: initialization completed in 3957 ms 2025-03-21 14:28:38 -4026 [RMI TCP Connection(2)-127.0.0.1] INFO - FrameworkServlet 'SpringMVC': initialization started 2025-03-21 14:28:38 -4031 [RMI TCP Connection(2)-127.0.0.1] INFO - Refreshing WebApplicationContext for namespace 'SpringMVC-servlet': startup date [Fri Mar 21 14:28:38 CST 2025]; parent: Root WebApplicationContext 2025-03-21 14:28:38 -4032 [RMI TCP Connection(2)-127.0.0.1] INFO - Loading XML bean definitions from class path resource [spring/spring-mvc.xml] 2025-03-21 14:28:38 -4616 [RMI TCP Connection(2)-127.0.0.1] INFO - Mapped URL path [/**] onto handler 'org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0' 2025-03-21 14:28:38 -4806 [RMI TCP Con
03-22
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